1400 years ago nobody believed that sound can injure or kill anyone. But today we know this is false; sound waves can injure, incapacitate or even kill.
Sonic and ultrasonic weapons (USW) are weapons of various types that use sound to injure, incapacitate, or kill an opponent. Some sonic weapons are currently in limited use or in research and development by military and police forces. Some of these weapons have been described as sonic bullets, sonic grenades, sonic mines, or sonic cannons. Some make a focused beam of sound or ultrasound; some make an area field of sound.
Sound waves can injure, incapacitate or even kill. This was known recently, however this was portrayed in the Quran 1400 years before it was discovered. In the story of Thamud the people were killed by a sound wave.
"Saiha صَّيْحَةُ " means shout or scream. The angels shouted at Thamud killing them all. Here the people were killed by a sound wave.
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